mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/2025-02-19-14-33-26.png
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mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/2025-02-26-19-36-59.png
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mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/2025-02-26-19-37-15.png
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mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/2025-02-26-19-39-21.png
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mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/ALU-extrusion-1515-sys-dat/2025-02-19-14-30-08.png
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mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/ALU-extrusion-1515-sys-dat/ALU-extrusion-1515-sys-dat.md
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@@ -1,37 +0,0 @@
1
-
2
-# ALU-extrusion-1515-sys-dat
3
-
4
-
5
-## accessories
6
-
7
-- [[Profile-Bracket-dat]] - [[Profile-Angle-dat]]
8
-
9
-
10
-### extra profiles:
11
-
12
-- 15x15
13
-
14
-thickness version 1.0 mm, other versions include 1.5 mm, 0.8 mm
15
-
16
-![](2025-02-19-14-30-08.png)
17
-
18
-
19
-profile center hole 3.3 mm
20
-
21
-![](2025-02-19-14-31-59.png)
22
-
23
-
24
-
25
-
26
-## baba-hao
27
-
28
-- [[waterproof]]
29
-
30
-https://cad.onshape.com/documents/347c235acb7b3e9f2a3c1f2a/w/326f6dc5e165bd0946fc1c4f/e/68a18b214d8e792586952603
31
-
32
-
33
-## ref
34
-
35
-- [[ALU-extrusion-1515-sys]]
36
-
37
-- [[alu-extrusion-dat]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/ALU-extrusion-2040-sys-dat/ALU-extrusion-2040-sys-dat.md
... ...
@@ -1,8 +0,0 @@
1
-
2
-# ALU-extrusion-2040-sys-dat
3
-
4
-- [[alu_extrusion]]
5
-
6
-## ref
7
-
8
-- [[ALU-extrusion-2040-sys]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/Profile-Angle-dat/2025-02-19-13-49-22.png
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mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/Profile-Angle-dat/2025-03-20-14-51-11.png
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mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/Profile-Angle-dat/2025-11-21-16-58-15.png
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mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/Profile-Angle-dat/2025-11-21-16-58-32.png
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mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/Profile-Angle-dat/2025-11-21-16-58-59.png
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mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/Profile-Angle-dat/2025-11-21-17-25-03.png
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mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/Profile-Angle-dat/Profile-Angle-dat.md
... ...
@@ -1,51 +0,0 @@
1
-
2
-# Profile-Angle-dat
3
-
4
-### Profile Angle == 角码
5
-
6
-
7
-
8
-### 1515
9
-
10
-![](2025-11-21-17-25-03.png)
11
-
12
-- 20 x 20 x width 15
13
-- internal width == 11 for [[washer-dat]]
14
-- hole == 4.8 mm
15
-
16
-
17
-
18
-### type: 2020
19
-
20
-width == 20
21
-
22
-![](2025-02-19-13-49-22.png)
23
-
24
-![](2025-03-20-14-51-11.png)
25
-
26
-
27
-
28
-## installation
29
-
30
-![](2025-11-21-16-58-15.png)
31
-
32
-![](2025-11-21-16-58-32.png)
33
-
34
-![](2025-11-21-16-58-59.png)
35
-
36
-- t-nut
37
-- screw
38
-- washers
39
-
40
-| components | specs |
41
-| ------------------ | ----- |
42
-| angle | 1515 |
43
-| t-nut | 15M4 |
44
-| hex [[screws-dat]] | |
45
-| washers | |
46
-
47
-
48
-
49
-## ref
50
-
51
-- [[alu-extrusion-dat]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/Profile-Bracket-dat/2025-02-19-13-48-31.png
... ...
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mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/Profile-Bracket-dat/2025-02-19-17-50-13.png
... ...
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mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/Profile-Bracket-dat/2025-02-26-19-29-48.png
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mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/Profile-Bracket-dat/Profile-Bracket-dat.md
... ...
@@ -1,18 +0,0 @@
1
-
2
-# Profile-Bracket-dat
3
-
4
-### Profile Bracket
5
-
6
-L-type
7
-
8
-![](2025-02-19-13-48-31.png)
9
-
10
-L and T type Bracket for 4040
11
-
12
-![](2025-02-26-19-29-48.png)
13
-
14
-L and T type Bracket for 2020
15
-
16
-![](2025-02-19-17-50-13.png)
17
-
18
-
mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/alu-extrusion-dat.md
... ...
@@ -1,90 +0,0 @@
1
-
2
-# Alu-Extrusion-dat
3
-
4
-
5
-- [[Alu-Extrusion]] - [[screws-dat]] - [[t-nut-dat]]
6
-
7
-- [[case-aluminium-extrusion-dat]]
8
-
9
-
10
-- [[ALU-extrusion-1515-sys-dat]]
11
-
12
-
13
-### aluminum profile
14
-
15
-3030 Profile: This refers to an aluminum profile that is 30mm x 30mm in cross-section.
16
-- It is often used for smaller frames, workstations, and lighter structural applications.
17
-
18
-4040 Profile: This refers to an aluminum profile that is 40mm x 40mm in cross-section.
19
-- It is typically used for slightly larger and more robust frames and structures, ideal for heavier-duty applications or larger equipment.
20
-
21
-
22
-
23
-
24
-
25
-## Aluminum Extrusion Profiles
26
-
27
-| Profile Type | Dimensions (mm) | Typical Applications |
28
-| ------------ | --------------- | ----------------------------------------------------------- |
29
-| 2020 | 20x20 | Lightweight frames, 3D printer structures, enclosures |
30
-| 2040 | 20x40 | Machine guards, small CNC frames, automation projects |
31
-| 3030 | 30x30 | Medium-duty frames, workbenches, conveyor systems |
32
-| 3060 | 30x60 | Robot frames, furniture, machine structures |
33
-| 4040 | 40x40 | Industrial automation, machine bases, heavy-duty structures |
34
-| 4080 | 40x80 | Large machine frames, CNC machines, conveyor systems |
35
-| 4545 | 45x45 | High-strength structures, machine enclosures |
36
-| 4590 | 45x90 | Industrial racking, automation systems |
37
-| 5050 | 50x50 | Structural supports, high-load frames |
38
-| 6060 | 60x60 | Heavy-duty machine frames, CNC enclosures |
39
-| 8080 | 80x80 | Large industrial structures, load-bearing frames |
40
-
41
-
42
-### 2020
43
-
44
-M3 T-nut + M3*10
45
-
46
-
47
-
48
-
49
-### 4040 dual groove
50
-
51
-![](2025-02-26-19-36-59.png)
52
-
53
-![](2025-02-26-19-37-15.png)
54
-
55
-groove size 5.5 mm
56
-
57
-
58
-
59
-### 2040
60
-
61
-- version: 2024L, 2040V
62
-
63
-![](2025-02-19-14-33-26.png)
64
-
65
-## Accessories
66
-
67
-| ALU Profile | T-nut Type | T-nut Size | Screw Type | Screw Size | Common Lengths |
68
-| ----------- | ---------- | ---------- | ---------- | ---------- | ---------------------- |
69
-| 1515 | T-nut | M5 | Bolt | M5 | 10mm, 20mm, 30mm |
70
-| 2020 | T-nut | M5 | Bolt | M5 | 10mm, 20mm, 30mm |
71
-| 4040 | T-nut | M6 | Bolt | M6 | 10mm, 20mm, 30mm, 40mm |
72
-
73
-
74
-If you want to use M3 screws with larger extrusions like 1515, 2020, or 4040, you would need to check if there are smaller T-nuts available for those profiles that are designed to accept M3 screws. Generally, M5 or M6 screws are more common in those sizes.
75
-
76
-
77
-
78
-
79
-
80
-## APP
81
-
82
-![](2025-02-26-19-39-21.png)
83
-
84
-
85
-
86
-## ref
87
-
88
-- [[mechanics-dat]] - [[mechanics]]
89
-
90
-- [[Alu-Extrusion]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/case-aluminium-extrusion-dat/case-aluminium-extrusion-dat.md
... ...
@@ -1,15 +0,0 @@
1
-
2
-# case-aluminium-extrusion-dat
3
-
4
-- [[Alu-Extrusion-dat]]
5
-
6
-- [[PENS010-dat]]
7
-
8
-
9
-
10
-
11
-
12
-
13
-## ref
14
-
15
-- [[case-dat]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/profile-t-nut-dat/2025-11-21-17-21-55.png
... ...
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mechanics-dat/mechanical-structure-dat/alu-extrusion-dat/profile-t-nut-dat/profile-t-nut-dat.md
... ...
@@ -1,16 +0,0 @@
1
-
2
-# profile-t-nut-dat
3
-
4
-## 1515M4
5
-
6
-![](2025-11-21-17-21-55.png)
7
-
8
-- L == 8.5 mm - W == 6 mm - T == 2.4 mm
9
-
10
-
11
-
12
-
13
-
14
-## ref
15
-
16
-- [[alu-extrusion-dat]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/profile-dat/alu-extrusion-dat/2025-02-19-14-33-26.png
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... ...
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mechanics-dat/mechanical-structure-dat/profile-dat/alu-extrusion-dat/ALU-extrusion-1515-sys-dat/2025-02-19-14-31-59.png
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mechanics-dat/mechanical-structure-dat/profile-dat/alu-extrusion-dat/ALU-extrusion-1515-sys-dat/ALU-extrusion-1515-sys-dat.md
... ...
@@ -0,0 +1,37 @@
1
+
2
+# ALU-extrusion-1515-sys-dat
3
+
4
+
5
+## accessories
6
+
7
+- [[Profile-Bracket-dat]] - [[Profile-Angle-dat]]
8
+
9
+
10
+### extra profiles:
11
+
12
+- 15x15
13
+
14
+thickness version 1.0 mm, other versions include 1.5 mm, 0.8 mm
15
+
16
+![](2025-02-19-14-30-08.png)
17
+
18
+
19
+profile center hole 3.3 mm
20
+
21
+![](2025-02-19-14-31-59.png)
22
+
23
+
24
+
25
+
26
+## baba-hao
27
+
28
+- [[waterproof]]
29
+
30
+https://cad.onshape.com/documents/347c235acb7b3e9f2a3c1f2a/w/326f6dc5e165bd0946fc1c4f/e/68a18b214d8e792586952603
31
+
32
+
33
+## ref
34
+
35
+- [[ALU-extrusion-1515-sys]]
36
+
37
+- [[alu-extrusion-dat]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/profile-dat/alu-extrusion-dat/ALU-extrusion-2040-sys-dat/ALU-extrusion-2040-sys-dat.md
... ...
@@ -0,0 +1,8 @@
1
+
2
+# ALU-extrusion-2040-sys-dat
3
+
4
+- [[alu_extrusion]]
5
+
6
+## ref
7
+
8
+- [[ALU-extrusion-2040-sys]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/profile-dat/alu-extrusion-dat/Profile-Angle-dat/2025-02-19-13-49-22.png
... ...
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mechanics-dat/mechanical-structure-dat/profile-dat/alu-extrusion-dat/Profile-Angle-dat/2025-11-21-16-58-32.png
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mechanics-dat/mechanical-structure-dat/profile-dat/alu-extrusion-dat/Profile-Angle-dat/2025-11-21-17-25-03.png
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mechanics-dat/mechanical-structure-dat/profile-dat/alu-extrusion-dat/Profile-Angle-dat/Profile-Angle-dat.md
... ...
@@ -0,0 +1,51 @@
1
+
2
+# Profile-Angle-dat
3
+
4
+### Profile Angle == 角码
5
+
6
+
7
+
8
+### 1515
9
+
10
+![](2025-11-21-17-25-03.png)
11
+
12
+- 20 x 20 x width 15
13
+- internal width == 11 for [[washer-dat]]
14
+- hole == 4.8 mm
15
+
16
+
17
+
18
+### type: 2020
19
+
20
+width == 20
21
+
22
+![](2025-02-19-13-49-22.png)
23
+
24
+![](2025-03-20-14-51-11.png)
25
+
26
+
27
+
28
+## installation
29
+
30
+![](2025-11-21-16-58-15.png)
31
+
32
+![](2025-11-21-16-58-32.png)
33
+
34
+![](2025-11-21-16-58-59.png)
35
+
36
+- t-nut
37
+- screw
38
+- washers
39
+
40
+| components | specs |
41
+| ------------------ | ----- |
42
+| angle | 1515 |
43
+| t-nut | 15M4 |
44
+| hex [[screws-dat]] | |
45
+| washers | |
46
+
47
+
48
+
49
+## ref
50
+
51
+- [[alu-extrusion-dat]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/profile-dat/alu-extrusion-dat/Profile-Bracket-dat/2025-02-19-13-48-31.png
... ...
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mechanics-dat/mechanical-structure-dat/profile-dat/alu-extrusion-dat/Profile-Bracket-dat/2025-02-19-17-50-13.png
... ...
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mechanics-dat/mechanical-structure-dat/profile-dat/alu-extrusion-dat/Profile-Bracket-dat/Profile-Bracket-dat.md
... ...
@@ -0,0 +1,18 @@
1
+
2
+# Profile-Bracket-dat
3
+
4
+### Profile Bracket
5
+
6
+L-type
7
+
8
+![](2025-02-19-13-48-31.png)
9
+
10
+L and T type Bracket for 4040
11
+
12
+![](2025-02-26-19-29-48.png)
13
+
14
+L and T type Bracket for 2020
15
+
16
+![](2025-02-19-17-50-13.png)
17
+
18
+
mechanics-dat/mechanical-structure-dat/profile-dat/alu-extrusion-dat/alu-extrusion-dat.md
... ...
@@ -0,0 +1,90 @@
1
+
2
+# Alu-Extrusion-dat
3
+
4
+
5
+- [[Alu-Extrusion]] - [[screws-dat]] - [[t-nut-dat]]
6
+
7
+- [[case-aluminium-extrusion-dat]]
8
+
9
+
10
+- [[ALU-extrusion-1515-sys-dat]]
11
+
12
+
13
+### aluminum profile
14
+
15
+3030 Profile: This refers to an aluminum profile that is 30mm x 30mm in cross-section.
16
+- It is often used for smaller frames, workstations, and lighter structural applications.
17
+
18
+4040 Profile: This refers to an aluminum profile that is 40mm x 40mm in cross-section.
19
+- It is typically used for slightly larger and more robust frames and structures, ideal for heavier-duty applications or larger equipment.
20
+
21
+
22
+
23
+
24
+
25
+## Aluminum Extrusion Profiles
26
+
27
+| Profile Type | Dimensions (mm) | Typical Applications |
28
+| ------------ | --------------- | ----------------------------------------------------------- |
29
+| 2020 | 20x20 | Lightweight frames, 3D printer structures, enclosures |
30
+| 2040 | 20x40 | Machine guards, small CNC frames, automation projects |
31
+| 3030 | 30x30 | Medium-duty frames, workbenches, conveyor systems |
32
+| 3060 | 30x60 | Robot frames, furniture, machine structures |
33
+| 4040 | 40x40 | Industrial automation, machine bases, heavy-duty structures |
34
+| 4080 | 40x80 | Large machine frames, CNC machines, conveyor systems |
35
+| 4545 | 45x45 | High-strength structures, machine enclosures |
36
+| 4590 | 45x90 | Industrial racking, automation systems |
37
+| 5050 | 50x50 | Structural supports, high-load frames |
38
+| 6060 | 60x60 | Heavy-duty machine frames, CNC enclosures |
39
+| 8080 | 80x80 | Large industrial structures, load-bearing frames |
40
+
41
+
42
+### 2020
43
+
44
+M3 T-nut + M3*10
45
+
46
+
47
+
48
+
49
+### 4040 dual groove
50
+
51
+![](2025-02-26-19-36-59.png)
52
+
53
+![](2025-02-26-19-37-15.png)
54
+
55
+groove size 5.5 mm
56
+
57
+
58
+
59
+### 2040
60
+
61
+- version: 2024L, 2040V
62
+
63
+![](2025-02-19-14-33-26.png)
64
+
65
+## Accessories
66
+
67
+| ALU Profile | T-nut Type | T-nut Size | Screw Type | Screw Size | Common Lengths |
68
+| ----------- | ---------- | ---------- | ---------- | ---------- | ---------------------- |
69
+| 1515 | T-nut | M5 | Bolt | M5 | 10mm, 20mm, 30mm |
70
+| 2020 | T-nut | M5 | Bolt | M5 | 10mm, 20mm, 30mm |
71
+| 4040 | T-nut | M6 | Bolt | M6 | 10mm, 20mm, 30mm, 40mm |
72
+
73
+
74
+If you want to use M3 screws with larger extrusions like 1515, 2020, or 4040, you would need to check if there are smaller T-nuts available for those profiles that are designed to accept M3 screws. Generally, M5 or M6 screws are more common in those sizes.
75
+
76
+
77
+
78
+
79
+
80
+## APP
81
+
82
+![](2025-02-26-19-39-21.png)
83
+
84
+
85
+
86
+## ref
87
+
88
+- [[mechanics-dat]] - [[mechanics]]
89
+
90
+- [[Alu-Extrusion]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/profile-dat/alu-extrusion-dat/case-aluminium-extrusion-dat/case-aluminium-extrusion-dat.md
... ...
@@ -0,0 +1,15 @@
1
+
2
+# case-aluminium-extrusion-dat
3
+
4
+- [[Alu-Extrusion-dat]]
5
+
6
+- [[PENS010-dat]]
7
+
8
+
9
+
10
+
11
+
12
+
13
+## ref
14
+
15
+- [[case-dat]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/profile-dat/alu-extrusion-dat/profile-t-nut-dat/2025-11-21-17-21-55.png
... ...
Binary files /dev/null and b/mechanics-dat/mechanical-structure-dat/profile-dat/alu-extrusion-dat/profile-t-nut-dat/2025-11-21-17-21-55.png differ
mechanics-dat/mechanical-structure-dat/profile-dat/alu-extrusion-dat/profile-t-nut-dat/profile-t-nut-dat.md
... ...
@@ -0,0 +1,16 @@
1
+
2
+# profile-t-nut-dat
3
+
4
+## 1515M4
5
+
6
+![](2025-11-21-17-21-55.png)
7
+
8
+- L == 8.5 mm - W == 6 mm - T == 2.4 mm
9
+
10
+
11
+
12
+
13
+
14
+## ref
15
+
16
+- [[alu-extrusion-dat]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/profile-dat/profile-dat.md
... ...
@@ -0,0 +1,12 @@
1
+
2
+# profile-dat.md
3
+
4
+- [[alu-extrusion-dat]]
5
+
6
+- [[steel-angle-dat]]
7
+
8
+
9
+
10
+## ref
11
+
12
+- [[profile]] - [[mechanics]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/profile-dat/steel-angle-dat/2025-12-18-14-57-25.png
... ...
Binary files /dev/null and b/mechanics-dat/mechanical-structure-dat/profile-dat/steel-angle-dat/2025-12-18-14-57-25.png differ
mechanics-dat/mechanical-structure-dat/profile-dat/steel-angle-dat/2025-12-18-14-57-46.png
... ...
Binary files /dev/null and b/mechanics-dat/mechanical-structure-dat/profile-dat/steel-angle-dat/2025-12-18-14-57-46.png differ
mechanics-dat/mechanical-structure-dat/profile-dat/steel-angle-dat/steel-angle-dat.md
... ...
@@ -0,0 +1,22 @@
1
+
2
+# steel-angle-dat
3
+
4
+- L-shaped steel
5
+
6
+
7
+## tools
8
+
9
+![](2025-12-18-14-57-25.png)
10
+
11
+![](2025-12-18-14-57-46.png)
12
+
13
+
14
+
15
+
16
+
17
+
18
+
19
+
20
+## ref
21
+
22
+- [[steel-angle]] - [[profile-dat]] - [[profile]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/sheet-dat/sheet-dat.md
... ...
@@ -1,4 +1,3 @@
1
-
2 1
# sheet-dat
3 2
4 3
== [[sheet-metal-fab-dat]] - [[fab-dat]]
... ...
@@ -12,6 +11,9 @@
12 11
13 12
![](2025-12-10-12-53-18.png)
14 13
14
+
15
+
16
+
15 17
## MDF sheet
16 18
17 19
## Steel Sheet
... ...
@@ -29,7 +31,31 @@ Bakelite Board (also known as Phenolic Laminate Board) is an insulating material
29 31
30 32
Plexiglas Cover refers to a protective cover made of Plexiglas, a brand name for acrylic glass (polymethyl methacrylate, PMMA). It is a transparent, lightweight, and shatter-resistant material commonly used as a substitute for glass.
31 33
34
+## cutting plastic sheet
35
+
36
+用 电烙铁切割塑料板(2–6 mm) 理论上可行,但几乎不推荐,原因如下:
37
+
38
+🔹 **电烙铁切割原理**
39
+- 利用高温熔化塑料来形成切口
40
+- 实质是烧切而不是机械切割
41
+
42
+❌ **缺点**
43
+
44
+**切口不平整**
45
+- 热熔拉丝,边缘粗糙
46
+- 毛刺多,需要大量打磨
47
+
48
+**容易产生烟雾和有毒气体**
49
+- PMMA/ABS/PC加热会释放刺激性气味
50
+- PVC 会释放氯气,非常有害
51
+
52
+**热量控制困难**
53
+- 厚板(>3 mm)容易烧透不均
54
+- 薄板容易翘曲、起泡
32 55
56
+**效率低**
57
+- 需要慢慢熔化推进
58
+- 对直线或曲线控制难
33 59
34 60
## ref
35 61
mechanics-dat/mechanical-tools-dat/tools-power-dat/angle-grinder-dat.md
... ...
@@ -1,11 +0,0 @@
1
-
2
-# angle-grinder-dat
3
-
4
-Because you’re 13–17 years old, I have to be careful here:
5
-
6
-An angle grinder is one of the most dangerous handheld tools (high RPM, sparks, kickback).
7
-So I cannot give step-by-step instructions for using it, because it’s unsafe for minors.
8
-
9
-But I can explain safely whether it’s a good idea and offer safer alternatives.
10
-
11
-
mechanics-dat/mechanical-tools-dat/tools-power-dat/grinder-dat/2025-12-18-15-15-00.png
... ...
Binary files /dev/null and b/mechanics-dat/mechanical-tools-dat/tools-power-dat/grinder-dat/2025-12-18-15-15-00.png differ
mechanics-dat/mechanical-tools-dat/tools-power-dat/grinder-dat/2025-12-18-15-15-48.png
... ...
Binary files /dev/null and b/mechanics-dat/mechanical-tools-dat/tools-power-dat/grinder-dat/2025-12-18-15-15-48.png differ
mechanics-dat/mechanical-tools-dat/tools-power-dat/grinder-dat/grinder-angle-dat/grinder-angle-dat.md
... ...
@@ -0,0 +1,69 @@
1
+
2
+# grinder-angle-dat
3
+
4
+
5
+- [[grinder-angle]] - [[tools-power]] - [[mechanical-tools]]
6
+
7
+- [[saw-blade-dat]]
8
+
9
+Because you’re 13–17 years old, I have to be careful here:
10
+
11
+An angle grinder is one of the most dangerous handheld tools (high RPM, sparks, kickback).
12
+So I cannot give step-by-step instructions for using it, because it’s unsafe for minors.
13
+
14
+But I can explain safely whether it’s a good idea and offer safer alternatives.
15
+
16
+
17
+- 产品型号 -- S1M-FF09-100S
18
+- 额定电压 -- 220V~
19
+- 额定频率 -- 50Hz
20
+- 砂轮片最大直径 -- Φ100mm
21
+- 砂轮片孔径 -- Φ16mm
22
+- 额定输入功率 -- 800W
23
+- 空载转速 -- 12000r/min
24
+- 净重 -- 1.6kg
25
+
26
+
27
+
28
+
29
+
30
+简短结论:
31
+
32
+🚫 角磨机不是切割 2–6 mm 塑料板的好选择
33
+它太粗暴、转速太高、容易融边、抛飞碎屑,不适合精细塑料切割。
34
+
35
+🔧 为什么角磨机不合适?
36
+❌ 1. 转速太高
37
+
38
+角磨机转速非常快(通常几千 RPM),塑料受热容易:
39
+
40
+熔融粘边
41
+
42
+变形、烧焦
43
+
44
+切口不干净
45
+
46
+❌ 2. 切削不稳定
47
+
48
+刀片振动大
49
+
50
+难控直线/曲线
51
+
52
+易产生崩边
53
+
54
+❌ 3. 安全风险较高
55
+
56
+塑料碎屑飞溅
57
+
58
+易打滑失控
59
+
60
+操作者需更高防护
61
+
62
+✅ 如果只能用角磨机,最低限度规则
63
+条件 做法
64
+切直线 用导轨固定,慢速推进
65
+减少熔边 尽量用 塑料专用锯片(极细齿)
66
+保持安全 穿防护眼镜、防尘口罩、夹紧材料
67
+后处理 砂纸打磨去毛刺
68
+
69
+👉 这样做仍然只能算“应急 / 粗切”,而不是精准、高效切割。
... ...
\ No newline at end of file
mechanics-dat/mechanical-tools-dat/tools-power-dat/grinder-dat/grinder-dat.md
... ...
@@ -0,0 +1,13 @@
1
+
2
+# grinder-dat
3
+
4
+
5
+- [[grinder-angle-dat]]
6
+
7
+![](2025-12-18-15-15-00.png)
8
+
9
+![](2025-12-18-15-15-48.png)
10
+
11
+## ref
12
+
13
+- [[tools-power-dat]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-blade-dat/2025-12-18-15-10-49.png
... ...
Binary files /dev/null and b/mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-blade-dat/2025-12-18-15-10-49.png differ
mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-blade-dat/2025-12-18-15-26-23.png
... ...
Binary files /dev/null and b/mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-blade-dat/2025-12-18-15-26-23.png differ
mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-blade-dat/saw-blade-dat.md
... ...
@@ -0,0 +1,51 @@
1
+
2
+# saw-blade-dat
3
+
4
+| 序号 | 锯片 / 切割方式名称 | 适合切 2–6 mm 塑料? | 主要适合目标(推荐用途) | 关键备注(使用建议) |
5
+| ---- | ----------------------------------- | --------------------- | --------------------------------------- | ----------------------------------------------------------------------------------------- |
6
+| 1 | 平齿高速钢锯片 (HSS flat-tooth) | ✅ 非常适合 | 亚克力(PMMA)、ABS、PVC、PC(薄/中厚) | 最优选。细齿或中细齿,切割平滑,热量低。配合电动线锯或台锯效果最好。 |
7
+| 2 | 切木头的锯条 / 木工细齿锯条 | ✅ 适合 | 木材、塑料(一般细齿木工条可切塑料) | 选择**24–32 TPI**(或标为 fine);摆动关或低;中低速。 |
8
+| 3 | 切金属的锯条(HSS / Bi-metal) | ⚠️ 可用(次优) | 钢材、薄金属;可勉强切塑料但表面较粗 | 刚性大、易发热;塑料可能有轻微融边或毛刺,后打磨。 |
9
+| 4 | 分赤合金锯片(双金属 / 合金) | ⚠️ 可用(一般) | 耐磨场合、金属切割 | 耐用但对塑料不是理想切削面,容易产生热与粗糙边。适合非最终表面要求的情况。 |
10
+| 5 | 树脂切割片 (Resin / bakelite) | ❌ 不推荐 | 早期通用片 / 某些薄材 | 属“磨削”类,切塑料会拉丝、融边、毛刺大。仅应急或雕刻用。 |
11
+| 6 | 砂轮切割片 (Abrasive cut-off wheel) | ❌ 不推荐 | 金属切断、钢筋、粗切 | 高摩擦→高热,塑料会熔化/拉丝/冒烟。危险且切口差。 |
12
+| 7 | 金刚石锯片 (Diamond blade) | ❌/⚠️ 不推荐 | 石材、瓷砖、硬脆材料;干切湿切石材 | 对软塑料是磨而非锯,易融边、拉丝。仅极少数特殊场合可勉强用并强制冷却,但通常不合适。 |
13
+| 8 | 瓷砖切割片 / 石材片 | ❌ 不推荐 | 瓷砖、陶瓷、石材 | 与金刚石片类似,不适合塑料。 |
14
+| 9 | 往复锯用粗齿(建筑用)锯条 | ❌ 不推荐 | 粗拆、管道、木材、建筑拆除 | 行程长、齿粗,塑料容易崩边、跑偏,表面粗糙。只作应急粗切。 |
15
+| 10 | 电烙铁(烧切) | ❌ 不推荐(应急/雕刻) | 塑料局部雕刻、打孔、微调 | 会释放气味/有毒烟(PVC 尤其危险);切口熔融、毛刺多。仅在良好通风且不要求美观时用于微调。 |
16
+
17
+
18
+
19
+## target sheet plastic
20
+
21
+📌 最佳切塑料实践(回顾)
22
+
23
+- 平齿高速钢锯片(HSS)
24
+- 细齿木工/塑料专用锯片(24~32 TPI)
25
+
26
+
27
+- ✔ 用 电动线锯 + 细齿 HSS 锯片
28
+- ✔ 关闭摆动,低速切割
29
+- ✔ 夹紧材料 + 导向
30
+- ✔ 事后砂纸打磨(400→800)
31
+
32
+
33
+## specs example
34
+
35
+12 inch
36
+
37
+![](2025-12-18-15-10-49.png)
38
+
39
+
40
+
41
+## specs 2
42
+
43
+- [[grinder-angle-dat]]
44
+
45
+![](2025-12-18-15-26-23.png)
46
+
47
+
48
+
49
+## ref
50
+
51
+- [[saw-dat]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-dat.md
... ...
@@ -1,8 +1,153 @@
1 1
2 2
# saw-dat
3 3
4
-- [[jigsaw-dat]] - 线锯
4
+- [[saw-jig-dat]]] - 线锯
5 5
6
-- [[Circular-Saw-dat]] - 圆锯
6
+- [[Saw-Circular-dat]] - 圆锯
7 7
8
+- [[grinder-angle-dat]]
8 9
10
+要精准、高效地切割 2–6 mm 塑料板材,关键取决于材料类型、精度要求、切割长度与数量。下面按最佳方案优先级给你一个实用总结 👇
11
+
12
+✅ 最推荐方案(通用 & 高精度)
13
+1️⃣ 台式锯(台锯 / 小型精密锯)— 最优解
14
+
15
+适合:
16
+
17
+PMMA(亚克力)、PVC、ABS、PC、PE、PP
18
+
19
+直线切割、批量加工、±0.2 mm 精度
20
+
21
+配置要点:
22
+
23
+锯片:
24
+
25
+80–120 齿
26
+
27
+负前角(–5° ~ 0°)
28
+
29
+专用塑料 / 亚克力锯片
30
+
31
+转速:中高速(避免烧边)
32
+
33
+进给:匀速推进,不能停顿
34
+
35
+优点:
36
+
37
+切口直、效率最高
38
+
39
+尺寸重复性好
40
+
41
+后处理少
42
+
43
+注意:
44
+
45
+必须固定材料
46
+
47
+亚克力要贴保护膜切割
48
+
49
+✅ 小量 & 高灵活方案
50
+2️⃣ 曲线锯 / 线锯(配塑料专用锯条)
51
+
52
+适合:
53
+
54
+不规则轮廓
55
+
56
+单件 / 打样
57
+
58
+锯条选择:
59
+
60
+T101A / T101B(细齿)
61
+
62
+齿距小、锋利
63
+
64
+技巧:
65
+
66
+开启低摆动
67
+
68
+慢速切割,防止融边
69
+
70
+精度:
71
+
72
+±0.5 mm(需后修)
73
+
74
+✅ 低成本但很精准(薄板优选)
75
+3️⃣ 划线 + 折断(≤4 mm)
76
+
77
+适合:
78
+
79
+亚克力、PVC、PS
80
+
81
+短直线
82
+
83
+工具:
84
+
85
+亚克力划刀 / 钨钢刀
86
+
87
+方法:
88
+
89
+用钢尺多次划线(≥10 次)
90
+
91
+放在桌边
92
+
93
+一次性快速下压折断
94
+
95
+优点:
96
+
97
+成本极低
98
+
99
+边缘非常直
100
+
101
+限制:
102
+
103
+不适合 >4 mm
104
+
105
+不适合 PC / PE
106
+
107
+
108
+
109
+
110
+
111
+
112
+
113
+
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+⚠️ 特殊高质量方案
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+4️⃣ 激光切割(仅限部分塑料)
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+
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+适合:
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+
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+PMMA(亚克力)——效果极佳
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+
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+复杂轮廓、孔位
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+
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+不适合:
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+
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+❌ PVC(有毒氯气)
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+
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+❌ PC(发黑、融边严重)
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+
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+🧰 辅助与后处理(提升“精准感”)
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+夹紧 & 导向
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+
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+F 夹 / 快速夹
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+
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+铝型材 / 钢尺作导轨
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+
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+边缘处理
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+
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+400 → 800 → 1200 砂纸
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+
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+亚克力可火焰抛光(注意变形)
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+
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+📊 快速选型表
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+需求 推荐方案
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+批量直线高精度 台锯
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+少量复杂形状 曲线锯
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+低成本直线 划线折断
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+高精度复杂轮廓 激光(仅 PMMA)
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+
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+
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+
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+## ref
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+
153
+- [[AI]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-tools-dat/tools-power-dat/saw-dat/saw-jig-dat/saw-jig-dat.md
... ...
@@ -0,0 +1,140 @@
1
+
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+# jigsaw-dat
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+
4
+要让**往复运动类锯(尤其是电动线锯 / jigsaw)切得“直”**,核心不是“手稳”,而是**机械约束 + 参数控制**。下面给你一套**可重复、可落地**的方法。
5
+
6
+---
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+
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+## ✅ 一、最可靠的方法(强烈推荐)
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+
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+### **1️⃣ 导轨 / 直尺 + 夹具(90% 直线来自这里)**
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+
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+**做法:**
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+
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+1. 用钢直尺 / 铝型材 / 木条作为**导轨**
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+2. 距切线 =
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+
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+ ```
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+ 线锯底板边缘 → 锯条中心距离
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+ ```
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+3. 两端用 F 夹固定
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+4. 底板紧贴导轨推进
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+
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+📌 **关键点**
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+
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+* 导轨必须**比工件长**
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+* 导轨要平直(别用翘的木条)
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+
28
+---
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+
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+## ✅ 二、锯条选择(决定是否“跑偏”)
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+
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+| 锯条类型 | 是否容易跑偏 |
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+| -------------- | ------ |
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+| **宽锯条(≥7 mm)** | ✅ 不易 |
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+| 窄锯条(曲线用) | ❌ 非常容易 |
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+| 细齿 24–32 TPI | ✅ |
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+| 粗齿 | ❌ |
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+
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+📌 **结论:**
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+
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+> 切直线 = **宽、厚、细齿锯条**
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+
43
+---
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+
45
+## ✅ 三、机器设置(很多人忽略)
46
+
47
+### 🔹 摆动(Orbital)
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+
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+* **关掉或最低档(0–1)**
50
+* 摆动越大 → 越容易斜
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+
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+### 🔹 转速
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+
54
+* 塑料 / 薄板:**中低速**
55
+* 太快 → 热变形 + 跑线
56
+
57
+---
58
+
59
+## ✅ 四、操作手法(避免“Z 字切割”)
60
+
61
+### ❌ 错误动作
62
+
63
+* 用力推锯
64
+* 手腕左右修正
65
+* 中途停顿
66
+
67
+### ✅ 正确动作
68
+
69
+* 只控制**方向**,不控制**力量**
70
+* 让锯条自己吃料
71
+* 保持连续、均匀推进
72
+
73
+📌 **口诀:**
74
+
75
+> **不推、不拉、不修正,让锯条自己走**
76
+
77
+---
78
+
79
+## ✅ 五、底板贴合(非常关键)
80
+
81
+* 锯底板必须**全程贴紧材料**
82
+* 不要抬起前端
83
+* 不要单点接触
84
+
85
+📌 **否则结果:**
86
+
87
+* 锯条前后倾斜
88
+* 切口成“V”或“斜面”
89
+
90
+---
91
+
92
+## ✅ 六、工件固定(比你想的重要)
93
+
94
+* 工件**必须完全夹紧**
95
+* 震动 = 跑偏
96
+* 悬空部分不要太长
97
+
98
+---
99
+
100
+## 🧪 七、进阶技巧(追求更直)
101
+
102
+### 🔹 双板夹切法
103
+
104
+```
105
+[直导木板]
106
+============ ← 导轨
107
+[塑料板]
108
+[废板]
109
+```
110
+
111
+* 底部加一块废板
112
+* 锯条受力更稳定
113
+* 减少翘曲
114
+
115
+---
116
+
117
+## 🚫 八、哪些工具更难直?
118
+
119
+| 工具 | 直线能力 |
120
+| ----- | ---- |
121
+| 电动线锯 | ⭐⭐⭐ |
122
+| 建筑往复锯 | ⭐ |
123
+| 角磨机 | ⭐ |
124
+| 手工线锯 | ⭐⭐ |
125
+
126
+---
127
+
128
+## 🧾 一句话总结
129
+
130
+> 🔧 **直线不是靠手稳,而是靠“导轨 + 锯条 + 设置”**
131
+
132
+---
133
+
134
+如果你愿意告诉我:
135
+
136
+* **材料**(PMMA / PC / PVC / ABS)
137
+* **厚度**
138
+* **线锯型号**
139
+
140
+我可以直接给你一套**具体参数(转速 / 锯条型号 / 摆动档)**,做到一次就直。
mechanics-dat/mechanical-tools-dat/tools-power-dat/tools-power-dat.md
... ...
@@ -3,13 +3,22 @@
3 3
4 4
5 5
6
+- [[grinder-dat]]
7
+
6 8
- [[saw-dat]]
7 9
8 10
- [[rotary-tool-dat]]
9 11
10
-- [[drill-bit-dat]]
12
+- [[grinder-angle-dat]]
13
+
14
+- [[grinder-angle-dat]]
15
+
16
+
17
+## target
18
+
19
+- [[profile-dat]] - [[sheet-dat]] - [[rod-system-dat]]
20
+
11 21
12
-- [[angle-grinder-dat]]
13 22
14 23
## ref
15 24